Python Notes #

Basics #

• Math Operators
• Common Data Types
• String Concatenation and Replication
• Variables
• Common Functions
• Text and Number Equivalence

Flow Control #

• Boolean Values
• Comparison Operators
• Boolean Operators

Elements of Flow Control #

• Conditions
• Code Blocks
• Program Execution

Flow Control Statements #

• if
• else
• elif
• while loops
• break
• continue
• for loops

Importing Modules #

• Built-in Functions
• Standard Library
• Importing Modules

Ending Programs Early #

• sys.exit()

Functions #

• Functions
• def Statement
• return Statement
• None value
• Keyword Arguments
• The Call Stack
• Local and Global Scope
• Exception Handling

Lists #

• List
• Index
• Slice
• len()
• List Concatenation and Replication
• del Statement
• in and not in Operators
• Multiple Assignment Trick
• enumerate()
• random Module

Augmented Assignment Operators #

• Augmented Assignment Operators

Methods #

• Method
  • append() and insert()
  • remove()
  • sort()
  • reverse()
  • pop()

Sequence Data Types #

• Mutable Data Type
• Immutable Data Type
• Tuple
• Converting Types with list() and tuple()

References #

• Reference
• id()
• Passing References
• copy Module

Dictionaries and Structured Data #

• Dictionary Data Type
• keys()
• values()
• items()
• Check if key value exists in a dict
• get()
• setdefault()

Manipulating Strings #

• String Literals
• Escape Characters
• Raw Strings
• Multiline Strings
• Indexing and Slicing Strings
• in and not in String Operators

Inserting values in strings #

• String Interpolation
• F-Strings

Useful String Methods #

• upper()
• lower()
• isupper()
• islower()
• isX() Methods
• startswith()
• endswith()
• join()
• split()
• partition()
• swapcase()

Justifying text #

• rjust(), ljust(), and center()

Removing whitespace #

• strip(), rstrip(), and lstrip()

Unicode characters #

• ord() and chr()

Copying and Pasting Strings #

• pyperclip Module

Regex #

• Regular Expressions in Python

Input Validation #

• PyInputPlus Module

Reading and Writing Files #

Files and File-paths #

• pathlib Module

File Reading and Writing #

• Opening Files
• Reading Files
• Writing Files

Saving data #

• Saving Variables With shelve
• Saving Variables With pprint

Organizing Files #

• shutile Module

Classes #

• Creating and Using a Class
• Class Inheritance
• Object Oriented Programming
• Importing Classes
• Styling Classes

Style #

• PEP 8